25803514860 has 24 divisors (see below), whose sum is σ = 72249841776. Its totient is φ = 6880937280.

The previous prime is 25803514819. The next prime is 25803514871. The reversal of 25803514860 is 6841530852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215029231 + ... + 215029350.

It is an arithmetic number, because the mean of its divisors is an integer number (3010410074).

Almost surely, 2^25803514860 is an apocalyptic number.

25803514860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25803514860 is an abundant number, since it is smaller than the sum of its proper divisors (46446326916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25803514860 is a wasteful number, since it uses less digits than its factorization.

25803514860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430058593 (or 430058591 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 25803514860 in words is "twenty-five billion, eight hundred three million, five hundred fourteen thousand, eight hundred sixty".